1999 GMC C3500 HVAC Heater Hoses
Save up to 40% on original replacement 1999 GMC C3500 HVAC Heater Hoses. Navigate our online catalogue to find HVAC Heater Hoses and other parts designed specifically to fit a 1999 GMC C3500.




HVAC Heater Hose - Heater Outlet
$17.78
$16.81
10+ In Stock
Ships: Today, Sep. 22nd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
W.P. End
W.P. End



HVAC Heater Hose - Auxiliary Heater Pipe-1 To Auxiliary Heater Pipe-2
$18.85
$17.95
Limited Stock
Ships: Today, Sep. 22nd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
Cut to Fit w/Aux. Heater
Cut to Fit w/Aux. Heater



HVAC Heater Hose - Auxiliary Heater Pipe-3 To Auxiliary Heater Pipe-4
$18.85
$17.95
Limited Stock
Ships: Today, Sep. 22nd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
w/Aux. Heater
w/Aux. Heater

HVAC Heater Hose - Heater To Water Pump
$35.32
Limited Stock
Ships: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.5L 395ci V8 (4.06x3.82; 103.0x97.0);
Engine Base: 6.5L 395ci V8 (4.06x3.82; 103.0x97.0);
Vehicle Fitment Notes:
Cut To Fit
Cut To Fit

HVAC Heater Hose - Pipe To Water Pump
$6.90
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);

HVAC Heater Hose - Pipe-1 To Water Pump
$10.52
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
W/ Aux. Heater
W/ Aux. Heater

HVAC Heater Hose - Heater To Radiator
$24.31
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.5L 395ci V8 (4.06x3.82; 103.0x97.0);
Engine Base: 6.5L 395ci V8 (4.06x3.82; 103.0x97.0);
Vehicle Fitment Notes:
Cut To Fit
Cut To Fit

HVAC Heater Hose - Heater To Engine
$25.82
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
Cut To Fit
Cut To Fit

HVAC Heater Hose - Heater To Water Pump
$25.82
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);

HVAC Heater Hose - Heater To Pipe-1
$263.88
Limited Stock
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.5L 395ci V8 (4.06x3.82; 103.0x97.0);
Engine Base: 6.5L 395ci V8 (4.06x3.82; 103.0x97.0);

HVAC Heater Hose - Radiator To Reservoir
$61.08
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
3/8" x 42"
3/8" x 42"

HVAC Heater Hose - Heater To Pipe
$59.72
10+ In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
5/8" x 48"
5/8" x 48"

HVAC Heater Hose - Heater To Radiator
$59.72
10+ In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
5/8" x 48"
5/8" x 48"

HVAC Heater Hose - Tee-2 To Auxiliary Heater Pipe-3
$71.82
10+ In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
3/4" x 18"
3/4" x 18"

HVAC Heater Hose - Tee-2 To Pipe-1
$71.82
10+ In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
W/ Aux. Heater 3/4" x 18"
W/ Aux. Heater 3/4" x 18"



HVAC Heater Hose - Heater Outlet
$37.41
$31.72
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.5L 395ci V8 (4.06x3.82; 103.0x97.0);
Engine Base: 6.5L 395ci V8 (4.06x3.82; 103.0x97.0);
Vehicle Fitment Notes:
w/o Aux. Heater, w/o Ambulance Pkg.
w/o Aux. Heater, w/o Ambulance Pkg.



HVAC Heater Hose - Heater To Pipe
$16.49
$13.99
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.5L 395ci V8 (4.06x3.82; 103.0x97.0);
Engine Base: 6.5L 395ci V8 (4.06x3.82; 103.0x97.0);
Vehicle Fitment Notes:
w/o Aux. Heater
w/o Aux. Heater




HVAC Heater Hose - Heater To Pipe
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
w/o Aux. Heater, w/o External Heater Valve, 3/4 In.
w/o Aux. Heater, w/o External Heater Valve, 3/4 In.




HVAC Heater Hose - Heater To Tee-1
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
w/Aux. Heater, w/o External Heater Valve, 3/4 In.
w/Aux. Heater, w/o External Heater Valve, 3/4 In.




HVAC Heater Hose - Heater To Valve-1
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
w/External Heater Valve, 3/4 In.
w/External Heater Valve, 3/4 In.




HVAC Heater Hose - Tee-1 To Auxiliary Heater Pipe-1
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
3/4 In.
3/4 In.




HVAC Heater Hose - Tee-1 To Pipe-1
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
w/Aux. Heater, 3/4 In.
w/Aux. Heater, 3/4 In.




HVAC Heater Hose - Tee-2 To Auxiliary Heater Pipe-3
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
3/4 In.
3/4 In.




HVAC Heater Hose - Heater To Radiator
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
w/o Aux. Heater, 5/8 In.
w/o Aux. Heater, 5/8 In.




HVAC Heater Hose - Heater To Tee-2
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
w/Aux. Heater, w/o External Heater Valve, 5/8 In.
w/Aux. Heater, w/o External Heater Valve, 5/8 In.




HVAC Heater Hose - Valve-1 To Heater
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
w/External Heater Valve, 5/8 In.
w/External Heater Valve, 5/8 In.